i= 30sin (40rt +"). 27 4. The current in a circuit is described by Where i is in mA and t is in seconds. Sketch a graph of the first two cycles of the wave. Be sure to clearly show amplitude, period, phase shift (displacement), and the correct location of the i- axis.

i= 30sin (40rt +"). 27 4. The current in a circuit is described by Where i is in mA and t is in seconds. Sketch a graph of the first two cycles of the wave. Be sure to clearly show amplitude, period, phase shift (displacement), and the correct location of the i- axis.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter38: Refraction And Images Formed By Refraction

Section: Chapter Questions

Problem 36PQ

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Question

14. The current in a circuit is described by
i= 30sin (40nt +).
Where i is in mA and t is in seconds.
Sketch a graph of the first two cycles of the wave.
Be sure to clearly show amplitude, period, phase shift (displacement), and the
correct location of the i- axis.
Be sure to properly scale your t-axis.
(Note: Break down of marks shown below)
a) (1) Amplitude:
b) (1) Period:
c) (1) Phase Shift:
d) (2) Sketch:

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